@btn-prefix-cls: ~"@{css-prefix}btn";

.@{btn-prefix-cls} {
  .btn;
  .btn-default;

  &-long{
    width: 100%;
  }

  & > .ivu-icon + span, & > span + .ivu-icon{
    margin-left: 4px;
  }

  &-primary {
    .btn-primary;

    .@{btn-prefix-cls}-group:not(.@{btn-prefix-cls}-group-vertical) &:not(:first-child):not(:last-child) {
      border-right-color: @btn-group-border;
      border-left-color: @btn-group-border;
    }

    .@{btn-prefix-cls}-group:not(.@{btn-prefix-cls}-group-vertical) &:first-child {
      &:not(:last-child) {
        border-right-color: @btn-group-border;
        &[disabled] {
          border-right-color: @btn-default-border;
        }
      }
    }

    .@{btn-prefix-cls}-group:not(.@{btn-prefix-cls}-group-vertical) &:last-child:not(:first-child),
    .@{btn-prefix-cls}-group:not(.@{btn-prefix-cls}-group-vertical) & + .@{btn-prefix-cls} {
      border-left-color: @btn-group-border;
      &[disabled] {
        border-left-color: @btn-default-border;
      }
    }

    .@{btn-prefix-cls}-group-vertical &:not(:first-child):not(:last-child) {
      border-top-color: @btn-group-border;
      border-bottom-color: @btn-group-border;
    }

    .@{btn-prefix-cls}-group-vertical &:first-child {
      &:not(:last-child) {
        border-bottom-color: @btn-group-border;
        &[disabled] {
          border-top-color: @btn-default-border;
        }
      }
    }

    .@{btn-prefix-cls}-group-vertical &:last-child:not(:first-child),
    .@{btn-prefix-cls}-group-vertical & + .@{btn-prefix-cls} {
      border-top-color: @btn-group-border;
      &[disabled] {
        border-bottom-color: @btn-default-border;
      }
    }
  }

  //&-ghost {
  //    .btn-ghost;
  //}

  &-dashed{
    .btn-dashed;
  }

  &-text{
    .btn-text;
  }

  &-success {
    .btn-color(@success-color);
  }

  &-warning {
    .btn-color(@warning-color);
  }

  &-error {
    .btn-color(@error-color);
  }

  &-info {
    .btn-color(@info-color);
  }

  &-circle,&-circle-outline {
    .btn-circle(@btn-prefix-cls);
  }

  &:before {
    position: absolute;
    top: -1px;
    left: -1px;
    bottom: -1px;
    right: -1px;
    background: #fff;
    opacity: 0.35;
    content: '';
    border-radius: inherit;
    z-index: 1;
    transition: opacity @transition-time;
    pointer-events: none;
    display: none;
  }

  &&-loading {
    pointer-events: none;
    position: relative;

    &:before {
      display: block;
    }
  }

  &-group {
    .btn-group(@btn-prefix-cls);
  }

  &-group-vertical {
    .btn-group-vertical(@btn-prefix-cls);
  }

  // The new ghost in 3.0
  &-ghost{
    color: #fff;
    background: transparent;
    &:hover{
      background: transparent;
    }
  }
  &-ghost&-dashed, &-ghost&-default{
    color: #fff;
    border-color: #fff;
    &:hover{
      color: tint(@primary-color, 20%);
      border-color: tint(@primary-color, 20%);
    }
  }
  &-ghost&-primary{
    color: @primary-color;
    &:hover{
      color: tint(@primary-color, 20%);
      background: fade(tint(@primary-color, 95%), 50%);
    }
  }
  &-ghost&-info{
    color: @info-color;
    &:hover{
      color: tint(@info-color, 20%);
      background: fade(tint(@info-color, 95%), 50%);
    }
  }
  &-ghost&-success{
    color: @success-color;
    &:hover{
      color: tint(@success-color, 20%);
      background: fade(tint(@success-color, 95%), 50%);
    }
  }
  &-ghost&-warning{
    color: @warning-color;
    &:hover{
      color: tint(@warning-color, 20%);
      background: fade(tint(@warning-color, 95%), 50%);
    }
  }
  &-ghost&-error{
    color: @error-color;
    &:hover{
      color: tint(@error-color, 20%);
      background: fade(tint(@error-color, 95%), 50%);
    }
  }

  &-ghost&-default[disabled], &-ghost&-dashed[disabled], &-ghost&-primary[disabled], &-ghost&-info[disabled], &-ghost&-success[disabled], &-ghost&-warning[disabled], &-ghost&-error[disabled]{
    background: transparent;
    color: fade(#000, 25%);
    border-color: @btn-disable-border;
  }
  &-ghost&-text[disabled]{
    background: transparent;
    color: fade(#000, 25%);
  }
}
